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Which of the following is paramagnetic?
Options
(a) O₂⁻
(b) CN⁻
(c) NO⁺
(d) CO
Correct Answer:
O₂⁻
Explanation:
O₂⁻ (17) = σ1s², σ*1s², σ2s², σ*2s², σ2pₖ², π2pᵢ² = π2pⱼ², π*2pᵢ² = π*2pⱼ¹
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Question Type: Memory
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Difficulty Level: Easy
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The pH of solution containing 0.10 M sodium acetate and 0.03 M acetic acid is
- The radius of hydrogen atom in the ground state is 0.53 Å. The radius
- Which one forms KHX₂ type compound
- When a strong beam of light is passed through a colloidal solution, the light will
- Acetone reacts with iodine to form iodoform in the presence of
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Chemical Bonding and Molecular Structure (86)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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